123622042 has 16 divisors (see below), whose sum is σ = 187724160. Its totient is φ = 61050672.

The previous prime is 123622021. The next prime is 123622043. The reversal of 123622042 is 240226321.

It is not an unprimeable number, because it can be changed into a prime (123622043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134059 + ... + 134977.

It is an arithmetic number, because the mean of its divisors is an integer number (11732760).

Almost surely, 2^123622042 is an apocalyptic number.

123622042 is a deficient number, since it is larger than the sum of its proper divisors (64102118).

123622042 is a wasteful number, since it uses less digits than its factorization.

123622042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 123622042 is about 11118.5449587615. The cubic root of 123622042 is about 498.1559298384.

Adding to 123622042 its reverse (240226321), we get a palindrome (363848363).

The spelling of 123622042 in words is "one hundred twenty-three million, six hundred twenty-two thousand, forty-two".